NSI Industries

A leading provider of connectors, NSi proudly puts our signature brand Polaris™ Connectors at the front of the line. The original insulated connector, Polaris has been providing safe, secure and lasting connections for years. With specially designed connectors for motors & fine-stranded wire, and direct burial/submersible applications, Polaris is the one for any job.

Browse NSi's featured products listed on the right.

Featuring 16 major product groups and NSi is constantly developing and creating better products with you in mind. Including products such as Polaris™Pre-Insulated Connectors, Easy-Twist™ Wire Connectors, TORK® Time Switches, TORK® Photocontrols, and TORK® Occupancy Sensors.

NSi Industries recently celebrated 40 years in the electrical industry and is committed to growing and remains an innovator in the mechanical time switch industry with roots going back to 1922. Another NSi flagship brand, Polaris™, celebrated 30 years of making splicing easier for installers and contractors everywhere.